Re,求调,玄关

P1216 [USACO1.5] [IOI1994]数字三角形 Number Triangles

CCF___NOI @ 2024-10-18 20:26:12

#include<bits/stdc++.h>
using namespace std;
int vis[100002],n,k;
const int N=1007;
int a[N][N],dp[N][N]; 
int main(){
    cin>>n;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=i;j++)
            cin>>a[i][j];
    for(int i=n-1;i>=1;i++){
        for(int j=1;j<=i;j++){
            a[i][j]=a[i][j]+max(a[i+1][j],a[i+1][j+1]);
        }
    }
    cout<<a[1][1];
    return 0;
}

by Towards_Dawn @ 2024-10-18 20:29:43

@CCF___NOI 《i++》


by Towards_Dawn @ 2024-10-18 20:30:28

@CCF___NOI i 倒着枚举要写 i--


by CCF___NOI @ 2024-10-18 20:52:49

@Towards_Dawn 拴Q


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